Final answer:
The equivalent units earned value technique accurately measures earned value for each unit of output, refining the units complete technique used in project management.
Step-by-step explanation:
The equivalent units earned value technique is a method used in project management and it's a refinement of the units complete technique. The true statement about this technique is: a) It assesses earned value precisely for each unit of output. This approach provides a more accurate assessment of earned value by incorporating the precise measurement of work completed, and it helps in managing production projects effectively by identifying the actual value of work performed.